Shockley Kevin, Sabadini Laura, Fowler Carol A
Department of Psychology, University of Cincinnati, Cincinnati, Ohio 45221-0376, USA.
Percept Psychophys. 2004 Apr;66(3):422-9. doi: 10.3758/bf03194890.
Imitation of shadowed words was evaluated using Goldinger's (1998) AXB paradigm. The first experiment was a replication of Goldinger's experiments with different tokens. Experiment 1's AXB tests showed that shadowed words were judged to be better imitations of target words than were baseline (read) counterparts more often than chance (.50). Order of presentation of baseline and shadowed words in the AXB test also significantly influenced judgments. Degree of prior exposure to token words did not significantly influence judgments of imitation. Experiment 2 employed modified target tokens with extended voice onset times (VOTs). In addition to AXB tests, VOTs of response tokens were compared across baseline and shadowing conditions. The AXB tests revealed shadowed words to be better imitations of target tokens than baseline, without an influence of AXB presentation order. Differences between baseline and shadowing VOTs were greater when VOTs were extended. The implications of spontaneous imitation in nonsocial settings are considered.
使用戈尔丁格（1998年）的AXB范式对遮蔽词的模仿进行了评估。第一个实验是对戈尔丁格的实验进行复制，但使用了不同的词例。实验1的AXB测试表明，与基线（朗读）对应词相比，遮蔽词被判断为对目标词的模仿更好，且这种情况出现的频率高于随机概率（0.50）。AXB测试中基线词和遮蔽词的呈现顺序也显著影响了判断。对词例的先前接触程度并未显著影响模仿判断。实验2使用了具有延长语音起始时间（VOT）的修改后的目标词例。除了AXB测试外，还比较了基线和遮蔽条件下反应词例的VOT。AXB测试显示，遮蔽词比基线词更能模仿目标词例，且不受AXB呈现顺序的影响。当VOT延长时，基线和遮蔽VOT之间的差异更大。文中考虑了非社交环境中自发模仿的影响。
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